MCPInstall

navigation-menus

by dylantarreFrontend & Design

Use when animating navigation bars, menus, sidebars, or wayfinding elements to create smooth, intuitive transitions

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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/dylantarre/animation-principles --skill navigation-menus
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads navigation-menus automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Navigation & Menu Animation Principles

Apply Disney's 12 principles to navigation for fluid, intuitive wayfinding.

Principles Applied to Navigation

1. Squash & Stretch

Menu items can compress slightly on click. Mobile hamburger icon lines should squash during transformation to X.

2. Anticipation

Before dropdown opens, trigger item can lift or highlight. Sidebar toggle icon rotates slightly before panel slides.

3. Staging

Active nav item should be clearly distinguished. Dropdown menus appear above other content via z-index and shadow. Focus hierarchy matters.

4. Straight Ahead & Pose to Pose

Define clear states: closed, opening, open, closing. Each menu item has default, hover, active, selected poses.

5. Follow Through & Overlapping Action

Dropdown items stagger in (20-30ms delay each). Submenu arrows rotate after text settles. Active indicator slides with slight overshoot.

6. Ease In & Ease Out

Menu open: ease-out. Menu close: ease-in. Hover transitions: ease-in-out. cubic-bezier(0.4, 0, 0.2, 1) for Material-style.

7. Arcs

Mobile nav sliding in from side should have slight arc. Menu indicator sliding between items can follow subtle curve path.

8. Secondary Action

While dropdown expands (primary), shadow grows (secondary), parent item stays highlighted (tertiary). Chevron rotates.

9. Timing

  • Dropdown open: 200-250ms
  • Dropdown close: 150-200ms
  • Hover highlight: 100-150ms
  • Active indicator slide: 200-300ms
  • Stagger per item: 20-40ms
  • Hamburger morph: 300ms

10. Exaggeration

Active indicator can overshoot and bounce back. Important nav items can pulse briefly for attention. Mega menus deserve bold entrances.

11. Solid Drawing

Maintain consistent spacing during animations. Shadows should be consistent. Icons should stay crisp at all animation frames.

12. Appeal

Smooth nav feels professional. Snappy responses build confidence. Navigation is used constantly, so invest in these micro-interactions.

CSS Implementation

.nav-dropdown {
  transform-origin: top;
  transition: transform 200ms ease-out,
              opacity 200ms ease-out;
}

.nav-dropdown.open {
  transform: scaleY(1);
  opacity: 1;
}

.nav-indicator {
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

Key Properties

  • transform: translateX/Y, scaleY, rotate
  • opacity: fade menus
  • height/max-height: accordion menus
  • clip-path: reveal effects
  • transform-origin: dropdown direction

FAQ

What does the navigation-menus skill do?

Use when animating navigation bars, menus, sidebars, or wayfinding elements to create smooth, intuitive transitions

How do I install navigation-menus?

Run npx skills add https://github.com/dylantarre/animation-principles --skill navigation-menus in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/navigation-menus/ (personal) or .claude/skills/navigation-menus/ (project).

Which AI agents can use navigation-menus?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is navigation-menus safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains navigation-menus?

It is published by dylantarre in dylantarre/animation-principles. It has 557 recorded installs.

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